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Specialist onsite machining and mechanical maintenance.

Precision, safety, and reliability for heavy industrial facilities — delivered on time and with minimal disruption.

About us

Trusted by heavy industry to reduce downtime on critical plant and equipment.

Our business specialises in onsite machining and mechanical maintenance for heavy industrial facilities where precision, safety, and reliability are critical.

We support power generation, oil and gas, marine, and manufacturing operations by delivering accurate onsite machining and mechanical repair services directly at site. This approach reduces turnaround times, controls costs, and ensures alignment with client maintenance schedules.

With a strong focus on safety compliance, high-quality workmanship, and operational efficiency, we provide dependable support for critical plant and equipment. Our team is experienced in working safely within live and high-risk environments, delivering the required results without compromise.

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Our services

Specialist onsite machining and mechanical maintenance.

All work is conducted in accordance with client specifications, site safety procedures, and industry standards (ASME, API, or equivalent), including operations in live or high-risk environments.

Onsite machining

  • Pipe cutting, prepping, and boring
  • Flange facing and refurbishment
  • Line boring
  • Shaft machining and repair
  • Drilling and tapping
  • Milling

Mechanical maintenance

  • Planned and preventative maintenance
  • Mechanical repairs and component replacement
  • Equipment installation and removal
  • Alignment and fit-up
  • Inspection, fault finding, and corrective works
  • Shutdown and breakdown support

Controlled bolting

  • Flange bolt tensioning and torquing
  • Hydraulic and mechanical bolt tensioning
  • Stud replacement and flange preparation
  • Sequence planning and documentation
  • Gasket installation and verification
  • Inspection and verification to engineering standards

Testimonials

Our work speaks for itself.

Hear what our customers have to say about our work.

“Barry has the ability to scope any job, order the correct equipment and execute the job to the highest standard that’s required in the challenging world of Precision Engineering.

I would recommend Barry to any company that specializes in On-Site Machining, Bolting and Mechanical works – He has been a massive asset to Gillon Machining over the years.”

Gareth Gillon Williams

Owner, Gillon Machining Ltd

Contact us

Enquire about our services.

We’d love to hear from you and we’re here to help. Get in touch with us using the form or you can reach us by phone or email with the details below. We look forward to hearing from you!